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习题练习:Physics Unit25: Optical Instruments

 作者: admin 发布日期: 2023-05-01 10:00   总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time th(a;j t9xzzm2 te shutter is open and the film is exposed in a camera is determined b9jtx 2(tz;mazy the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the film in a camera is determined by thr :p*c8o8r3x4 sydv.)rsf zewe

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera the lens-film,xs (qr5ydi*ikw3 csuq pe kk.08;b v4i.)ggm distance may be varied by sliding the lens forwards;rec i.kuggx)b (dv5*s3kikm8qwy. i p 0q4, or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film w- jxxscbsy(tp2su4: .ith a field of view that corresponds approxi 2sb.-jcu y:(4p xxstsmately to that of normal vision is referred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to -+gx9qu;dl 3 izp/-iazxku q(magnify images is referred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film with a qxbe ly/yc)n m) 2t,9ewider field of view than that of the eye and through which oxb)n cq) te,l yem92y/bjects appear smaller is referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following ways is a camera different from the humav+sw +2 s4m lmkv0k3vyn eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of lighjl:j .zmn :r cdip+uja3-0yo+/ y il/gt by the eye occurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eye can see :t/an 4xihr3ww2 io0qobjects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eye can y .:vh6r(p5aoypd 1ig see objects clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front to back, te69a z wjgb0n0o*b( alhe person is likely to suffer e6w9 a(* ozabl00gnjb from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corrected with)yp1: gifl 2ua

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too lz(p,h 6 v x(lfbu-t(kgong from front to back, this gives rise to a vision defect that can be correcztx6,((bgk fh u-v(plted by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too short from front vnp7n7e:9hb gc;7gk:ht8o ln to back, the person is likely to s7nvc9poh;lkg8 bn7h:g7nt e:uffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be coyboi p(7 yggca)pvc;. m33at ,rrected with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too short from front to back, tsaz3t,5y6 y9/ iqqo uihis gives rise to a vision defect that can be corrected by using/ 9 ,u6yqy3qo si5zati

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a mar-nt2ox t1buy( ec*3ml aod 6txh)z7,gnifying glass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large diameter objective in an a aq6 6elou.b hq 7/2wfhw/)lygstronomical telescope if7gwal eqb.w2hqo6 6u/)hy l /s

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed 0sj-3m (l5nve h)se ysby a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objectis0e3lm yhns -5vjes()ve lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has us4u4 p12;zgga9.+t *ichdp nfd o8wpqniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telesco . ugt1pf4n*;z+a9gd 28pwd4spiocqh pe used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a maiw *b25vpik)p b wz7s2x9 hpu1gnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect to be able to see the grea-i. 3 zmpb 2vl /zokpwv+.l;ijtest detail when using a microscopel; p2- 3v/i jib.wpz +.mvoklz?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf ) 8;lomlg,n5aijz54ag/k h gmfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer4e2sis3: cof k from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power h4 9b;rlvgo- 9 cr+wjfof a microscope refers to the ability to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a radar dish is doubled, w:gm;mpfd gmvn6a0uw c8 9h 07ehat happens to its resolving power assuming that n eg p07mg0du86h9avm;cmwf : all other factors remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far poin(6omqbv pr)e(2 fxzzbvv272t ( rga c4t of 18 cm. What lens (in diopters) will allow t2a)(b2zg(fpvqom vr cxebtr 2z4v (67his person to see distant objects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects more than 70.0 cm away. Whl.r6g(. upj36r (;krxprin 7 yezcdno(y( s h5at power of lens should be prescrie57.cr(;x 6npyy(g(r z dpr lsio ur (j6h3k.nbed if the glass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose lenses ha0 v;n1w ckb8uove power of -0.15 D. What is the person's far point if the glasses are very close to thuk 8 cv;b1ow0ne eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed to correct for far8ldn +llx)uad:b 9:d osightedness where the uncorrected near point is xl)llnd +:d 8bu9da:o 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsighted person is 100 cm. She0bev za01-*d8 llg-jjo3m hmj places reading glasses close to her eyes, and with them she can comfortably read a jjm08ga el mv-3jb0 hlz*-od1newspaper at a distance of 25 cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspaper held 25 cm from his eyes, 6 5p dj3;*fy1s vxtrzcif he wears gl3*yr 6fczs p5;1xv djtasses of
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has q)wxjaz 5g);ia focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their ey)jaxwq)zig5 ;es are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal lengtn 3*dhpy6 2t wd5nb 1y(gnkw/lh of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thatgny( *nkh2 ydwpbw5n /td1l 36 person when their eyes are focused at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal length of 7.0 cm. What.-* z0a(qe-d wsfycq g is the magnification if the image is viewed by e-q.s0aq fcdz - (y*wga relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lebj) qwwr:i( dc ,ij(l1ns of focal length 5.0 cm as a magnifying glass. What is the maximum possibliwqb1)jl(ci jr( wd:,e magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging2o, *y pwkbt4m lens of focal length 5.0 cm as a magnifying glass. What is t2tk ,b wopy*4mhe magnification if the person's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0p ;i3kv sclbram. d:..z/pe k1 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the mi.k.r. b1ck mz vep/;p:l d3saaximum magnification you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cmt( .*+n1r74gzmzhuj q ;+qyzqu7rj ef , 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the ma(.7+j4q1 grmzhu qn re u+t z;fqj*7zyximum magnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal length of 200 cm and its eyepzse75 )yun4hd iece has a focal length o 5y4u edn)hz7sf
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical te5y0ot dp n0l3vlescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length ol5n otp yv30d0f the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope withj) p8;9v)lnu qb nufbue1 *pvm+:d 2s3jpak.p a magnification of 10. If the telescope has a converging lens of focal length 50 cm, +vappun :;u3d)p lu1fp b) jsjbke8* q9nmv.2 what is the resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10Xtt(oaovo- :/ito(y.kv qfp : 2 telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectit:p v q/ iavfotyo(t-:o(ok2.ve?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens hm.5 jfoybhra37 mv:6jty 4+2m4 kdsaof focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the 3jamoha7 5mjvh tyyf4 k4bdrs: .m6+2 lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal bo cq ne.j 95k-/15zvkuyzxy) rr/ z,rg))qrrlength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What ye 59jzx-,zurr1bcqv zrk))/qr.n o) yg k5r/is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal length of 3.0.--w h.a vt*wlnknb.q 0 mm and an eyepiece of focal length 6.w q-hk w.n.l.ta*- bvn00 cm. If the two lenses are separated by 40.0 cm, what is the total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-ct0 0b-not :u 9*suszpam barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 24:-*s n 0apzu0 ttobu9s0?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constella i0ft 1k nq. yo-,gz;2nn**m;tvtuyywtion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 w;tn n,zi* 0*utyqgo-f2ktv.nm;yy 1nm, what is the smallest aperture (diameter) telescope that can just resolve the two stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects which are 0.010 ngd a-)7(la,gvexq y (mm apart. If the focal lelg x,-gyd)va(ae7 qn(ngth of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye change u: -xq5uiy( e/d5-ykpxjh sc(s from a diameter of 3.5 mm to 1.5 mm as the illumination is incrxx(- e 5p/ uih5 ys:cd(-yujqkeased. By what factor does the minimum angle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth oj5zhxl tfpb /4*vtx;v)t/998 avqqlzrbit by the space shuttle. What angular res t lj9pq*q9/8t;v4avzv )xxtz5/fhlbolution could this telescope achieve if the wavelength is 500 nm?

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